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2007

Haiyan Green Energy Equipment Co., Ltd

solar vacuum tube

World-leading three-butter interference coating techniques allows longer service life, faster heat absorption and better heat insulation for the vacuum tubes, as well as better degeneration and peeling off performance of the coating, enabling a service life as long as 15 years.
solar water heater

Features
1. World-leading three-butter interference coating techniques allows longer service life, faster heat absorption and better heat insulation for the vacuum tubes, as well as better degeneration and peeling off performance of the coating, enabling a service life as long as 15 years.
2. The inner barrel is made of imported food-grade USU304 stainless steel plates, with arc welding to ensur

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